#!/usr/bin/python
#-*- coding:utf-8 -*-

hash1={"key1":1,"key2":2,"key3":3}
hash2={"key1":[1,2,3],"key2":[4,5,6],"key3":[7,8,9]}
for hash in hash2:
	print (hash)
	print (len(hash2[hash]))
	for i in range(len(hash2[hash])):
		print (hash2[hash][i])


